Removed log4j dependency, since causes commons-logging to use log4j instead of java logging and gs_logging.properties
Removed log4j dependency, since causes commons-logging to use log4j instead of java logging and gs_logging.properties

svn path=/xap/trunk/openspaces/; revision=137826


Former-commit-id: ca2ba1b3adc76e38320389209cc4c7007c585eba
Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces,Gigaspaces/xap-openspaces